leaf starch test
What leaf starch test means in Biology GCSE, as defined for OCR.
Definition of leaf starch test
Check what you remember
Read the wording for your board, then hide it and explain leaf starch test in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Boiling a leaf in water, decolourising it in hot ethanol and staining with iodine solution on a white tile to observe starch distribution.
Topics that use leaf starch test
- Photosynthesis (OCR GCSE)
Related terms
- axis scaling
- Biomass
- bubble counting
- Bunsen burner
- carbon dioxide concentration
- chlorophyll
- chloroplasts
- commercial applications
Using leaf starch test in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Biology questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge